Diffstat (limited to 'init')
1 files changed, 18 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index bb9b4dd55889..2c0e50ef554a 100644
@@ -883,6 +883,16 @@ config ARCH_SUPPORTS_NUMA_BALANCING
+# For architectures that prefer to flush all TLBs after a number of pages
+# are unmapped instead of sending one IPI per page to flush. The architecture
+# must provide guarantees on what happens if a clean TLB cache entry is
+# written after the unmap. Details are in mm/rmap.c near the check for
+# should_defer_flush. The architecture should also consider if the full flush
+# and the refill costs are offset by the savings of sending fewer IPIs.
# For architectures that know their GCC __int128 support is sound
@@ -1576,6 +1586,14 @@ config ADVISE_SYSCALLS
applications use these syscalls, you can disable this option to save
+ bool "Enable userfaultfd() system call"
+ select ANON_INODES
+ depends on MMU
+ Enable the userfaultfd() system call that allows to intercept and
+ handle page faults in userland.
bool "Enable PCI quirk workarounds" if EXPERT